Ark Design Solid Pine Universal 6 Lite Panel Unfinished Dutch Door, Pine Wood Front Door with/without Ready-to-Assemble JambHigh quality materialMade of solid natural pine wood. Made from 100% natural pine wood, the knots on the door clearly indicate this. It carries the subtle aroma of fresh wood. Quick assemble jamb kitJamb kit needs to be assembled quick assemble with nail guns within 5 minutes. The allowable trim range is as follows The upper short strip of the door panel can be trimmed by 0. 393inches, while the lower short strip of the door panel can be trimmed by 0.